Current Weather
4:46 PM
68°F
Mostly cloudy
RealFeel® 67°
Pleasant
RealFeel Shade™ 66°
Pleasant
RealFeel®
67°
RealFeel Shade™
66°
Max UV Index
0.7 (Low)
Wind
ESE 4 mph
Wind Gusts
10 mph
Humidity
59%
Indoor Humidity
59% (Ideal Humidity)
Dew Point
53° F
Pressure
↔ 30.19 in
Cloud Cover
76%
Visibility
17 mi
Cloud Ceiling
17400 ft
Day
10/31
68°Hi
RealFeel®
69°
Pleasant
RealFeel Shade™
67°
Pleasant
Mostly cloudy and not as warm
Max UV Index2.0 (Low)
AccuLumen Brightness Index™3 (Dull)
WindE 5 mph
Wind Gusts12 mph
Probability of Precipitation55%
Probability of Thunderstorms11%
Precipitation0.01 in
Rain Amount0.01 in
Total Hours of Precipitation1
Total Hours of Rain1
Cloud Cover87%
Night
10/31
58°Lo
RealFeel®
56°
Cool
Cloudy with a stray shower; remember to set clocks back one hour
WindSE 6 mph
Wind Gusts8 mph
Probability of Precipitation56%
Probability of Thunderstorms11%
Precipitation0.09 in
Rain Amount0.09 in
Total Hours of Precipitation1
Total Hours of Rain1
Cloud Cover99%
Sun & Moon
10 hrs 36 mins
Rise
7:25 AM
Set
6:01 PM
Waning Gibbous
Rise
11:12 PM
Set
1:07 PM
Temperature History
10/31High
Low
Forecast
68°
58°
Average
67°
42°
Last Year
66°
36°
Record
86°
1950
23°
2023
Current Weather Conditions in O'Fallon
O'Fallon, Illinois is currently Mostly cloudy with a temperature of 68°. The current RealFeel® Temperature is 67° (Pleasant) based on observed conditions including 59% humidity, 76% cloud cover, a UV index of 1, and winds of 4 mph. In shade, the RealFeel Shade™ is 66°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for O'Fallon, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.